fix: set tipset sample size to 1 (#4328)

ChainSafe · May 15, 2024 · 5443b2e · 5443b2e
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -102,6 +102,9 @@
 - [#4297](https://github.com/ChainSafe/forest/pull/4297) Fixed double decoding
  of message in the `Filecoin.WalletSign` RPC method.
 
+- [#4328](https://github.com/ChainSafe/forest/pull/4328) Fix issues when
+ connecting to a network with fewer than 5 peers.
+
 ## Forest 0.17.2 "Dovakhin"
 
 This is a **mandatory** release for all mainnet node operators. It changes the

diff --git a/src/chain_sync/chain_muxer.rs b/src/chain_sync/chain_muxer.rs
@@ -44,7 +44,7 @@ use crate::chain_sync::{
 // Sync the messages for one or many tipsets @ a time
 // Lotus uses a window size of 8: https://github.com/filecoin-project/lotus/blob/c1d22d8b3298fdce573107413729be608e72187d/chain/sync.go#L56
 const DEFAULT_REQUEST_WINDOW: usize = 8;
-const DEFAULT_TIPSET_SAMPLE_SIZE: usize = 5;
+const DEFAULT_TIPSET_SAMPLE_SIZE: usize = 1;
 const DEFAULT_RECENT_STATE_ROOTS: i64 = 2000;
 
 pub(in crate::chain_sync) type WorkerState = Arc<RwLock<SyncState>>;